What is the Least Common Multiple of 17637 and 17643?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 17637 and 17643 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 17637 and 17643, than apply into the LCM equation.

GCF(17637,17643) = 3
LCM(17637,17643) = ( 17637 × 17643) / 3
LCM(17637,17643) = 311169591 / 3
LCM(17637,17643) = 103723197

Least Common Multiple (LCM) of 17637 and 17643 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 17637 and 17643. First we will calculate the prime factors of 17637 and 17643.

Prime Factorization of 17637

Prime Factorization of 17643

Now multiplying the highest exponent prime factors to calculate the LCM of 17637 and 17643.

LCM(17637,17643) = 3¹ × 5879¹ × 5881¹
LCM(17637,17643) = 103723197